> What if bash were only to allow scripts to call themselves with > exec?
Tail calls are not the only useful type of recursion, they're just a particular case <http://en.wikipedia.org/wiki/Tail_call> Sometimes you do want to return (and discard some lower side-effects) (and it is not always obvious for a script to know what "itself" is) > on the one hand software should be forgiving while on the other > preventing every possible severe error is not easy. Unix was not designed to be forgiving: <http://www.faqs.org/docs/artu/ch03s01.html#id2888136>
